KOA to STL from $484 in economy

UAUnited Airlines

Round Trip•Economy

KOA

Kona International Airport

Kailua-Kona, United States

STL

Lambert-Saint Louis International Airport

St. Louis, United States

$758 USD

-36%$484 USD

Verified 15 days ago

July 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30 1 2 3 4$585 5$694 6$585 7$585 8$580 9$580 10$621 11$628 12$685 13$615 14$580 15$621 16$574 17$580 18$679 19$650 20$616 21$585 22$552 23$580 24$552 25$742 26$627 27$590 28$540 29$535 30$571 31$636 1$676 2$661

Limited Availability

13% of dates checked are available within 10% of the lowest price

Saturday, July 25th, 2026

8 round-trip options

Returning

Thu, Jul 30, 2026•5 Day Trip

$742 USD

Google Flights

Returning

Fri, Jul 31, 2026•6 Day Trip

$819 USD

Google Flights

Returning

Sat, Aug 1, 2026•7 Day Trip

$799 USD

Google Flights

Returning

Sun, Aug 2, 2026•8 Day Trip

$888 USD

Google Flights

Returning

Mon, Aug 3, 2026•9 Day Trip

$828 USD

Google Flights

Returning

Tue, Aug 4, 2026•10 Day Trip

$758 USD

Google Flights

Returning

Wed, Aug 5, 2026•11 Day Trip

$754 USD

Google Flights

Returning

Thu, Aug 6, 2026•12 Day Trip

$754 USD

Google Flights

Kailua-Kona (KOA) to St. Louis (STL) flight deal in economy from $484

Kona International Airport

Lambert-Saint Louis International Airport

July 2026

Saturday, July 25th, 2026